Jianzhu Wang, Kunyuan Gao, Xiangyuan Xiong, Yue Zhang, Yusheng Ding, Jingtao Wang, Xiaolan Wu, Shengping Wen, Hui Huang, Wu Wei, Li Rong, Zuoren Nie, Dejing Zhou
The Al-Mn alloy heat exchanger fin production process includes a brazing treatment at s high temperature of 600 °C, in which coarse grains are preferred for their high resistance to deformation at elevated temperatures by decreasing the grain boundary sliding. In this study, Al-1.57Mn-1.57Zn-0.58Si-0.17Fe alloy foils cold rolled by 81.7% (1.1 mm in thickness) and 96.5% (0.21 mm in thickness) were annealed at 100-550 °C for 1 h to investigate their recrystallization behavior, grain sizes, and precipitates by increasing the annealing temperature, using micro-hardness measurement, electron back-scattered diffraction (EBSD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) techniques...
April 5, 2024: Materials